Abstract
Density data as a function of temperature have been measured for Jatropha curcas seed oil, as well as biodiesel jatropha methyl esters at temperatures from above their melting points to 90 ° C. The data obtained were used to validate the method proposed by Spencer and Danner using a modified Rackett equation. The experimental and estimated density values using the modified Rackett equation gave almost identical values with average absolute percent deviations less than 0.03% for the jatropha oil and 0.04% for the jatropha methyl esters. The Janarthanan empirical equation was also employed to predict jatropha biodiesel densities. This equation performed equally well with average absolute percent deviations within 0.05%. Two simple linear equations for densities of jatropha oil and its methyl esters are also proposed in this study.
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Veny, H., Baroutian, S., Aroua, M.K. et al. Density of Jatropha curcas Seed Oil and its Methyl Esters: Measurement and Estimations. Int J Thermophys 30, 529–541 (2009). https://doi.org/10.1007/s10765-009-0569-3
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DOI: https://doi.org/10.1007/s10765-009-0569-3